Add base home-manager flake

Signed-off-by: George Kaklamanos <gkaklas@gkaklas.gr>

home-manager/flake.lock

@@ -0,0 +1,48 @@
+{
+  "nodes": {
+    "home-manager": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1714203603,
+        "narHash": "sha256-eT7DENhYy7EPLOqHI9zkIMD9RvMCXcqh6gGqOK5BWYQ=",
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "rev": "c1609d584a6b5e9e6a02010f51bd368cb4782f8e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "home-manager",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1714253743,
+        "narHash": "sha256-mdTQw2XlariysyScCv2tTE45QSU9v/ezLcHJ22f0Nxc=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "58a1abdbae3217ca6b702f03d3b35125d88a2994",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "home-manager": "home-manager",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

home-manager/flake.nix

@@ -0,0 +1,28 @@
+{
+  description = "Home Manager configuration of gkaklas";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+
+    home-manager = {
+      url = "github:nix-community/home-manager";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = {
+    nixpkgs,
+    home-manager,
+    ...
+  }: let
+    system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages.${system};
+  in {
+    homeConfigurations."gkaklas" = home-manager.lib.homeManagerConfiguration {
+      inherit pkgs;
+      modules = [
+        ./home.nix
+      ];
+    };
+  };
+}

home-manager/home.nix

@@ -0,0 +1,10 @@
+{
+  config,
+  lib,
+  ...
+}: {
+  programs.home-manager.enable = true;
+  home.username = "gkaklas";
+  home.homeDirectory = "/home/gkaklas";
+  home.stateVersion = "23.11";
+}